Answer:
c
Step-by-step explanation:
because it's her extraneous uncontrolled variable
By replacing you get:
5*7-2*11+3*(-1) = 35-22-3= 10
so the answer is 10.
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Answer:
$96.86
Step-by-step explanation:
129.42-32.56 = 96.86
Lily still has to pay $ 96.86
There's a site called m.a.t.h.w.a.y, and you can type in those functions in order to get the graph ;)